Hi ironpython,
Here's your Daily Digest of new issues for project "IronPython".
In today's digest:ISSUES
1. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
2. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
3. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
4. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
5. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
6. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
7. [New comment] How to direct print output to the Console in a windows
standalone?
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ISSUES
1. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
http://ironpython.codeplex.com/workitem/35682
User paweljasinski has commented on the issue:
"<p>this is consistent with what I get out of pylint runs.<br>Another question.
I assume you are using generators. Can you take a look at your code base and
tell me what features of generators do you use.<br>We are looking for all
places where `yield` comes up.</p><p>Do you use `yield` inside `try`?<br>Do you
use `yield` inside `except`?<br>Do you use expression returned by
`yield`?<br>Any other particular features of generators out of
PEP342?</p><p>Thanks in advance</p><p><br></p>"-----------------
2. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
http://ironpython.codeplex.com/workitem/35682
User jdhardy has commented on the issue:
"<p>One option that might help is to use `-X:ShowClrExceptions
-X:ExceptionDetail` if you're using ipy.exe. If you're hosting you can set them
as engine options. That might at least give you the CLR stack trace.</p><p>It's
odd that nothing in the test suite triggers it, but I know we don't have 100%
coverage.</p>"-----------------
3. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
http://ironpython.codeplex.com/workitem/35682
User paweljasinski has commented on the issue:
"<p>I think, there is a workaround. Each of your generators must be deleted at
the end of its scope.<br></p>"-----------------
4. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
http://ironpython.codeplex.com/workitem/35682
User paweljasinski has commented on the issue:
"<p>This is caused by generator finalizer, run in the finalizer thread to call
indirectly MoveNext.<br>This happens only if to generator did not hit the end
of generator function and didn't get explicit
close/delete.<br></p>"-----------------
5. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
http://ironpython.codeplex.com/workitem/35682
User paweljasinski has commented on the issue:
"<p>here is another generator cp, which hints at the problem:
https://ironpython.codeplex.com/workitem/17255</p>"-----------------
6. [New comment] ValueError: Index was out of range. Must be non-negative and
less than the size of the collection.
http://ironpython.codeplex.com/workitem/35682
User s3e3 has commented on the issue:
"<p>I have checked our codebase, and it seems that:</p><p>1. yield is never
used inside try or except block<br>2. values returned by yield are used further
in the code<br>3. features from PEP342 are not used</p><p>Here is one example
of generator use in our code:</p><p>```<br>class
IndexedSpecSequence(SpecSequence):</p><p> def __init__(self, sequence):<br>
self._items = []<br> self._index = {}<br> for i in
sequence:<br> bisect.insort(self._items, i)<br>
self._add_to_index(i)<br>```</p><p>Here, "sequence" argument in
\__init__ is actually generator expression, e.g.
("ComponentVersionsSequence is subclass of
"IndexedSpecSequence"):</p><p>```<br> def
_denorm_component_versions(self, component_version_ids):<br> return
ComponentVersionsSequence(self._datastore.component_versions[i]<br>
for i in
component_version_ids)<br>```</p>"-----------------
7. [New comment] How to direct print output to the Console in a windows
standalone?
http://ironpython.codeplex.com/workitem/35688
User johntrinder has commented on the issue:
"<p>With help from the community I figured out the solution. Basically
sys.stdout (which the print statement uses) needs to be modified. I created an
IP wrapper module around the DLL that exposes the Console window to a Windows
app. It's as follows:</p><p>```<br>import clr<br>from System import
Environment, EnvironmentVariableTarget</p><p>_mylib =
Environment.GetEnvironmentVariable('IRONPYTHON_MYLIB',
EnvironmentVariableTarget.User)<br>clr.AddReferenceToFileAndPath(_mylib +
r"\_CSASSEMBLIES\MyConsole.dll")</p><p>from System import
Console<br>import sys<br>from MyConsole import ConsoleManager</p><p>class
_proxy():<br> def __init__(self):<br> return</p><p> def
write(self, string):<br> Console.Write(string)</p><p>sys.stdout =
_proxy() #global - once set doesn't need resetting<br>```<br>Hope someone finds
this useful on the odd occasion that it may be needed:)</p>"
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